M. J. Rassias, M. Arunkumar, and E. Sathya. “Solution and Stability of an $n$-Dimensional AQ-Functional Equation”. International Journal of Mathematics And its Applications 12, no. 3 (September 4, 2024): 1–16. Accessed January 15, 2025. https://ijmaa.in/index.php/ijmaa/article/view/1482.